Data transmission system



Oct. 25, 1966 B. A. HARRIS 3,281,797

DATA TBANSMI S S ION SYSTEM Filed Jan. 50, 1963 66 Sheets-Sheet 1 TRANSMITTER TRANSMITTER STATION No. I STATIoN NO. 2

DUAL TAB cARD /ll TAB GARD a BADGE READERS READERS a MANUAL a MANuAI.

DATA DATA INsERTIoN INsERTIoN TRANSMITTER STATIoN No. 3

BADGE 2 READER TRANSMITTER STATIO NO.4

DUAL TAB cARD READERS BADGE a MANuAI. READER ATA 3/ INSERTIDN I IG L RECEIVER- FIG, I CONTROL REcoRDER TIME TRANS- MIssIoN, I5 MANUAL 8 \l4 INVENTOR. AuToMATIc BEN A. I-IARRIS ATTENDANcE ATTORNEY Oct. 25, 1966 Filed Jan. 30, 1963 B. A. HARRIS DATA TRANSMISSION SYSTEM 66 Sheets-Sheet S TRANSACTION SELECTOR a MANUAL DATA INSERTION TAB TAB CARD CARD 3 READER READER 20 2 SERIALIZER TRANSACTION SELECTOR a MANUAL DATA INSERTION TAB CARD $55011 READER M24 26 A SERIALIZER Oct. 25, 1966 B. A. HARRIS DATA TRANSMISSION SYSTEM Filed Jan. 30, 1963 66 Sheets-Sheet 4 FIG. 5

BADG E SERIALIZER BADGE \24 READER SERIALIZER -23 READER FIG. 6

Oct. 25, 1966 a. A. HARRIS 3,281,797

DATA TRANSMISSION SYSTEM Filed Jan. 30, 1963 66 Sheets-Sheet 5 PAC FIG

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DATA TRANSMISSION SYSTEM Filed Jan. ISO, 1963 66 Sheets-Sheet 19 98 :8 Nam mwwwmswm H W; W T

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DATA TRANSMISSION SYSTEM Filed Jan. 30, 1963 66 Sheets-Sheet 20 

1. A DATA TRANSMISSION SYSTEM COMPRISING: A TRANSMITTER FOR TRANSMITTING DATA INFORMATION ITEMS, MEANS INCLUDED IN SAID TRANSMITTER FOR INITIATING EACH TRANSMISSION WITH AN INFORMATION ITEM INDICATIVE OF THE QUANTITY OF DATA INFORMATION ITEMS TO BE TRANSMITTED AND FOR TERMINATING EACH TRANSMISSION WITH A TERMINATION SIGNAL, A DATA RECEIVER FOR RECEIVING THE TRANSMISSIONS OF SAID TRANSMITTER, AND MEANS INCLUDED IN SAID RECEIVER FOR STORING SAID INITIAL INFORMATION ITEM AND FOR COUNTING THE NUMBER OF INFORMATION ITEMS RECEIVED AND RESPONSIVE TO SAID TERMINATION SIGNAL FOR UTILIZING SAID STORED INITIAL INFORMATION ITEM TO VERIFY CORRECTNESS OF THE NUMBER OF DATA INFORMATION ITEMS RECEIVED AND COUNTED. 